Mercedes-Benz M271 engine


The Mercedes-Benz M271 engine is a straight-4 automobile piston engine family used in the 2000s.
All M271 engines are built in Untertürkheim, Germany. The family has a cast aluminum engine block and aluminum DOHC cylinder heads with 4 valves per cylinder and variable valve timing and a coil-on-plug ignition system.

KE18ML (271.95X)

The KE18ML is a version. Bore and stroke is. Output ranges from at 5200 rpm to at 5800 rpm.
It uses sequential fuel injection, is supercharged and intercooled, and features fracture-split forged steel connecting rods.
A version running on natural gas was introduced in the German market in 2002.
Applications:
This engine had the same dimensions as E18ML and almost the same features, but used CGI gasoline direct injection. It has been produced since 2003 in only one version, with an output of at 5300 rpm. The production ceased in 2005.
Applications:
The KE16 is a version introduced in 2008. Bore and stroke is. It shares the same features with the KE18ML version, like supercharger and multi-point fuel injection. Output ranges from at 5000 rpm to at 5200 rpm.
Applications:
This is the last version of M271 engine family. Dimensions are the same as E18ML and DE18ML, but the supercharger has been replaced with a turbocharger; like the DE18ML it uses the CGI gasoline direct injection. Output ranges from at 5200 rpm to at 5500 rpm.
Applications:
The engine in 2.0-litre naturally aspirated form is used by German automotive company HWA Team as the basis for a Mercedes-Benz motor racing engine and has been the engine used widely in Formula 3 motor racing powering championship winning drivers across Europe and further afield.